<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Span标签</title>
</head>
<style>
    p{
        margin-bottom: 20px;
        width: 100px;
        height: 100px;
        border: 2px dashed green;
    }
</style>
<body>
<p></p>
<p></p>
<span>123456</span>
<span>dhsajfa</span>
<span>55454fadf4a54</span>
</body>
</html>